<html>
<head>
    <meta charset="utf-8"/>
    <title>吴氏族谱树</title>
</head>
<style>

    .node circle {
        fill: #fff;
        stroke: steelblue;
        stroke-width: 1.5px;
    }

    .node {
        font: 12px sans-serif;
    }

    .link {
        fill: none;
        stroke: #ccc;
        stroke-width: 1.5px;
    }

</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>

    var width = 1000,
            height = 800;

    var tree = d3.layout.tree()
            .size([width, height-200])
            .separation(function(a, b) { return (a.parent == b.parent ? 1 : 2) / a.depth; });

    var diagonal = d3.svg.diagonal()
            .projection(function(d) { return [d.y, d.x]; });

    var svg = d3.select("body").append("svg")
            .attr("width", width)
            .attr("height", height)
            .append("g")
            .attr("transform", "translate(100,0)");



    d3.json("/wf/getDto", function(error, root) {

        var nodes = tree.nodes(root);
        var links = tree.links(nodes);

        console.log(nodes);
        console.log(links);

        var link = svg.selectAll(".link")
                .data(links)
                .enter()
                .append("path")
                .attr("class", "link")
                .attr("d", diagonal);

        var node = svg.selectAll(".node")
                .data(nodes)
                .enter()
                .append("g")
                .attr("class", "node")
                .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; })

        node.append("circle")
                .attr("r", 4.5);

        node.append("text")
                .attr("dx", function(d) { return d.children ? -8 : 8; })
                .attr("dy", 3)
                .style("text-anchor", function(d) { return d.children ? "end" : "start"; })
                .text(function(d) { return d.name; });
    });

</script>

</body>
</html>